In a world where mysterious Rifts unleash powerful monsters, humanity survives behind fortified cities and relies on elite Mecha Corps pilots to defend civilization. Kai Shirogane dreams of becoming a pilot, not for glory, but because his family has been shaped by the dangers of the Rifts. When a new Rift appears near his academy, Kai is pulled into a conflict far greater than he imagined. As hidden powers awaken and enemies emerge from the shadows, Kai must discover what it truly means to becom